body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: #ffffff;
  color: #222;
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

main {
  max-width: 800px;
  margin: 40px auto;
  padding: 0 20px;
}

h1, h2 {
  color: #111;
}

h1 {
  margin-bottom: 20px;
}

h2 {
  margin-top: 30px;
}

p {
  margin: 15px 0;
}